Deleting an object from the outliner
That's not a layer view even tho it looks like one if you are coming from other software. The view you are looking at is called the Outliner and those are objects in your scene. To delete an object in Blender, you can go the the 3d view, select it and use the X key. From the outliner, right click the entry and choose Delete. Further reading &mdash; How do I delete an object?